CN105414177A - Short-process producing and processing technology and equipment for cold rolling ultrahigh strength steel - Google Patents
Short-process producing and processing technology and equipment for cold rolling ultrahigh strength steel Download PDFInfo
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- CN105414177A CN105414177A CN201510812095.1A CN201510812095A CN105414177A CN 105414177 A CN105414177 A CN 105414177A CN 201510812095 A CN201510812095 A CN 201510812095A CN 105414177 A CN105414177 A CN 105414177A
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- roller
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- annealing furnace
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0035—Forging or pressing devices as units
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0452—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with application of tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/221—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a short-process producing and processing technology for cold rolling ultrahigh strength steel. The short-process producing and processing technology comprises the following steps: hot rolled strip steel, serving as an incoming material, is treated by procedures before rolling such as acid pickling and the like, cold rolling, heat treatment and deformation and phase transition comprehensive treatment, enters a loop after the heat treatment and the deformation and phase transition comprehensive treatment, is suitable for changes of the rolling velocity and the punch velocity by regulating the loop capacity and can enter a punching and quenching technology after being shorn with fixed length; and after the ultrahigh strength steel is finished, a finished or semi-finished punching part is obtained. Short-process producing and processing equipment for cold rolling the ultrahigh strength steel comprises a cold continuous rolling unit, a degreasing device inlet frame, a degreasing device, a looping tower, an annealing furnace front tension controlling device, an annealing furnace, an annealing furnace back tension controlling device, a collecting box and the like. With the adoption of the short-process producing and processing process and equipment, the energy consumption is reduced, the energy is saved, and the production cost is lowered; and by adding the deformation technology in the heat treatment process of the ultrahigh strength steel, the purpose of synchronous deformation and phase transition of the ultrahigh strength steel is realized, and the using performance of the strip steel is improved.
Description
Technical field
The present invention relates to metallurgical processing technical field.
Background technology
There is the large feature of rolling deformation drag in the production and processing of super-high strength steel strip, needs to carry out annealing in process after cold rolling, to eliminate work hardening phenomenon and band steel internal residual stress, obtains super-high strength steel cold-reduced sheet after annealing.Produce super-high strength steel and need carry out continuous annealing, improve production efficiency than traditional bell-type annealing to a great extent.Need after obtaining super-high strength steel cold-reduced sheet to carry out deep process, just can obtain final finished product, such as carry out drawing, punching press etc.Punching press quenching is a kind of hot stamping method producing high-strength steel Automobile Plate, is also a kind of deep process of super-high strength steel.In existing production technology, punching press quenching technical separates with the production technology in early stage of its production supplied materials cold-reduced sheet and carries out, namely super-high strength steel cools and obtains cold-reduced sheet after continuous annealing, and cold-reduced sheet is transported to press workshop, again carries out punching press quenching technical after heating.Its weak point: the continuous annealing process energy consumption of super-high strength steel is very large, and production cost is high, reduces production efficiency, energy serious waste, and the rolling deformation of super-high strength steel, heat treatment, deep process efficiently can not be agreed with.
Summary of the invention
The object of the present invention is to provide and a kind of the continuous annealing process of cold rolling super-high strength steel to be combined with punching press quenching technical, the rolling deformation of super-high strength steel, heat treatment, deep process are reconfigured, thus improve the quality of products, reduce one cold rolling super-high strength steel short route production and processing technology and the equipment of energy resource consumption and cost input.
A kind of cold rolling super-high strength steel short route production and processing technology, concrete steps are as follows:
(1) supplied materials hot-strip is after operation process before the rollings such as overpickling, carries out cold rolling, and described cold rolling is fully continuous type cold rolling or reversible cold-rolling rolling;
(2), after being rolled down to and requiring size, heat-treat and deformation and fades change integrated treatment, the heat treatment in this step comprises three phases, is respectively preheating section, bringing-up section, soaking zone; Band steel is heated to 150 DEG C ~ 200 DEG C from room temperature by preheating section; Bringing-up section continues band steel to be heated to more than 700 DEG C ~ 950 DEG C temperature; Soaking zone will be with steel to maintain bringing-up section temperature, and be incubated 3min ~ 5min; Namely described deformation and fades change integrated treatment refers to that band steel is in heat treatment process, carries out tension force to band steel and controls at 3.0kg/mm
2~ 5.0kg/mm
2, make band steel under deformation and fades change comprehensive function, improve structure property and comprehensive mechanical property further;
(3) be with steel after heat treatment and deformation and fades change integrated treatment, enter kink, the change of mill speed and drawing velocity is adapted to by adjustment kink amount, mill speed is 30m/s ~ 50m/s, drawing velocity 100mm/s, punching press quenching technical can be entered after shearing scale, according to the requirement of punching press quenching technical, determine cooling system; It is exactly velocity sensor that described punching press quenching technical front end is provided with, and ensures that the speed of service of band steel and drawing velocity match; Described punching press quenching adopts punching press quenching mould internal water cooling technique;
(4), after punching press completes, super-high strength steel, after finishing, just obtains stamping parts finished product or semi-finished product.
For realizing above-mentioned cold rolling super-high strength steel short route production and processing technology, one of the present invention cold rolling super-high strength steel short route manufacturing and processing equipment mainly comprises tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace forward pull control device, annealing furnace, annealing furnace backward pull control device, Precise asymptotics, shearing forward pull control device, shears rollgang, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, stamping machine, punching press rollgang and collecting box.
Wherein, tandem mills is prior art, and manufacturer is Beijing Yang Wang profit new science and technology Co., Ltd, model YW-WLZ1450; Degreasing plant is prior art, U.S. steel connection continuous annealing production line degreasing process; Looping tower is prior art, manufacturer be the real metallurgical equipment Manufacturing Co., Ltd in Wuhan ten thousand connect move back line vertical loop tower; Annealing furnace is prior art, and manufacturer is the vertical continuous annealing furnace of French Si Tanyin stove company; Precise asymptotics is prior art, and manufacturer is the triumphant 650 reversible four roller finishing machines along metallurgical machinery Manufacturing Co., Ltd in Wuxi; Cutter is prior art, and manufacturer is the rich FWFJ-QZD-1600 flying shearing machine for automated machine equipment Co., Ltd in Foshan City; Shearing electromagnetic mechanical hand is prior art, and manufacturer is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou; Heating furnace is prior art, and manufacturer is the stepped billet heating furnace of Nianda Furnace Science and Technology Co., Ltd., Nanjing; Stamping machine is prior art, and manufacturer is the J23 series open-type inclinable press of JIER Machine-Tool Group Co., Ltd.; Punching press electromagnetic mechanical hand is prior art, and manufacturer is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou.
Described above-mentioned each part is that a line is arranged at workshop, long 50m ~ 100m completely; Tandem mills is five frame tandem rollings, and each bay interval 2m ~ 3m arranges; Degreasing plant entrance frame is rigid body frame structure, be provided with two carrying rollers, the axis direction of another carrying roller is parallel to each other, and parallel with horizontal plane, a carrying roller of degreasing plant entrance frame is connected with last frame of tandem mills, and another carrying roller of degreasing plant entrance frame is connected with described degreasing plant; Be each passed through degreasing plant with steel both to be connected with the connection roll bottom looping tower, be provided with multiple loop back roll in described looping tower, last loop back roll is connected with annealing furnace forward pull control device by band steel; Annealing furnace forward pull control device is made up of two forward pull rollers, and two forward pull rollers are in differing heights and front and back position relative to ground, and band steel, successively through two forward pull rollers, is " S " type; The forward pull roller being positioned at position is rearward connected with annealing furnace, described annealing furnace is divided into preheating section, bringing-up section, soaking zone, be provided with lehr roller at top and bottom in annealing furnace, band steel can pass lehr roller successively, and is coated on outside each lehr roller; Annealing furnace backward pull control device is identical with annealing furnace forward pull control device structure, be made up of two backward pull rollers, the backward pull roller being positioned at forward position is connected with annealing furnace, with steel successively through the roll of the backward pull roller and described Precise asymptotics that are arranged in position rearward, and both are connected; Be connected with the shear tension roller sheared in forward pull control device pass the roll in Precise asymptotics with steel after, described shearing forward pull control device is made up of four shear tension rollers, the axis of four shear tension rollers is parallel to each other, line composition " inverted trapezoidal " structure of four axis end points, band steel is successively through four shear tension rollers, and be connected with the shearing rollgang at rear, shearing rollgang length is 5m ~ 10m, and the top of shearing rollgang is provided with cutter; Be provided with at shearing rollgang end 0.5m ~ 1.0m place and shear electromagnetic mechanical hand, shear electromagnetic and mechanical hand rear portion, distance is sheared electromagnetic and mechanical hand 0.5m ~ 1.0m place and is provided with heated transportation roller-way, heated transportation roller-way is positioned at same level height with shearing rollgang, the length of heated transportation roller-way is 10m ~ 15m, heated transportation roller way middle part is provided with heating furnace, heated transportation roller-way end is provided with stamping machine, stamping machine rear portion, distance stamping machine 0.5m ~ 1.0m place is provided with punching press rollgang; Punching press rollgang and heated transportation roller-way, shear rollgang and be positioned at same level height, the length of punching press rollgang is 5m ~ 10m; Punching press rollgang end, distance punching press rollgang end 0.5m ~ 1.0m place is provided with punching press electromagnetic mechanical hand, and described punching press electromagnetic mechanical hand end is provided with collecting box; Described collecting box is the square box of upper shed, and stamping products falls to collecting box inside in process of production.
Further, described mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
Further, described preheating section, bringing-up section, soaking zone internal placement have heat radiation tube.
Further, described preheating section, bringing-up section, soaking zone are inner by hydrogen and nitrogen composition protective gas.
Further, be provided with velocity sensor between described cutter and stamping machine, described stamping machine inside is provided with water cooling mold.
Further, described shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are made up of rotary type hydraulic platform and magnechuck, and described magnechuck is positioned at arm end.
Compared with prior art, tool of the present invention has the following advantages:
1, the continuous annealing Technology for Heating Processing of cold rolling super-high strength steel is combined with punching press quenching technical, the rolling deformation of super-high strength steel, heat treatment, deep process are reconfigured, production procedure is shortened compared with traditional processing technology, decrease energy resource consumption, save the energy, reduce production cost;
2, the heat treatment process of super-high strength steel adds deforming technique, and the object making super-high strength steel achieve deformation and fades change synchronously to carry out improves the serviceability of band steel.
Accompanying drawing explanation
Fig. 1 is cold rolling super-high strength steel short route production and processing technology flow chart of the present invention;
Fig. 2 is cold rolling super-high strength steel short route manufacturing and processing equipment structural representation of the present invention.
In figure: tandem mills 1, frame 2, degreasing plant entrance frame 3, two carrying rollers 4, degreasing plant 5, band steel 6, looping tower 7, loop back roll 8, annealing furnace forward pull control device 9, forward pull roller 10, annealing furnace 11, lehr roller 12, annealing furnace backward pull control device 13, backward pull roller 14, Precise asymptotics 15, shear tension roller 16, shear rollgang 17, cutter 18, shear electromagnetic mechanical hand 19, heated transportation roller-way 20, heating furnace 21, stamping machine 22, punching press rollgang 23, punching press electromagnetic mechanical hand 24, collecting box 25.
Detailed description of the invention
Embodiment 1
A kind of cold rolling super-high strength steel short route production and processing technology, mainly comprise: supplied materials hot-strip, pickling, rolling, heat treatment, punching press quenching, finishing, finished product semi-finished product, concrete steps are as follows:
(1) supplied materials hot-strip is after operation process before the rollings such as overpickling, carries out cold rolling, and described cold rolling is fully continuous type cold rolling or reversible cold-rolling rolling;
(2), after being rolled down to and requiring size, heat-treat and deformation and fades change integrated treatment, the heat treatment in this step comprises three phases, is respectively preheating section, bringing-up section, soaking zone; Band steel is heated to 150 DEG C from room temperature by preheating section; Bringing-up section continues band steel to be heated to more than 700 DEG C of temperature; Soaking zone will be with steel to maintain bringing-up section temperature, and be incubated 3min; Namely described deformation and fades change integrated treatment refers to that band steel is in heat treatment process, carries out tension force to band steel and controls at 3.0kg/mm
2, make band steel under deformation and fades change comprehensive function, improve structure property and comprehensive mechanical property further;
(3) be with steel after heat treatment and deformation and fades change integrated treatment, enter kink, the change of mill speed and drawing velocity is adapted to by adjustment kink amount, mill speed is 30m/s, drawing velocity 100mm/s, punching press quenching technical can be entered after shearing scale, according to the requirement of punching press quenching technical, determine cooling system; It is exactly velocity sensor that described punching press quenching technical front end is provided with, and ensures that the speed of service of band steel and drawing velocity match; Described punching press quenching adopts punching press quenching mould internal water cooling technique;
(4), after punching press completes, super-high strength steel, after finishing, just obtains stamping parts finished product or semi-finished product.
For realizing above-mentioned cold rolling super-high strength steel short route production and processing technology, one of the present invention cold rolling super-high strength steel short route manufacturing and processing equipment mainly comprises tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace forward pull control device, annealing furnace, annealing furnace backward pull control device, Precise asymptotics, shearing forward pull control device, shears rollgang, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, stamping machine, punching press rollgang and collecting box.
Wherein, tandem mills is prior art, and manufacturer is Beijing Yang Wang profit new science and technology Co., Ltd, model YW-WLZ1450; Degreasing plant is prior art, U.S. steel connection continuous annealing production line degreasing process; Looping tower is prior art, manufacturer be the real metallurgical equipment Manufacturing Co., Ltd in Wuhan ten thousand connect move back line vertical loop tower; Annealing furnace is prior art, and manufacturer is the vertical continuous annealing furnace of French Si Tanyin stove company; Precise asymptotics is prior art, and manufacturer is the triumphant 650 reversible four roller finishing machines along metallurgical machinery Manufacturing Co., Ltd in Wuxi; Cutter is prior art, and manufacturer is the rich FWFJ-QZD-1600 flying shearing machine for automated machine equipment Co., Ltd in Foshan City; Shearing electromagnetic mechanical hand is prior art, and manufacturer is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou; Heating furnace is prior art, and manufacturer is the stepped billet heating furnace of Nianda Furnace Science and Technology Co., Ltd., Nanjing; Stamping machine is prior art, and manufacturer is the J23 series open-type inclinable press of JIER Machine-Tool Group Co., Ltd.; Punching press electromagnetic mechanical hand is prior art, and manufacturer is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou.
Described above-mentioned each part is that a line is arranged at workshop, long 50m completely; Tandem mills 1 is five frame tandem rollings, and each frame 2 interval 2m arranges; Degreasing plant entrance frame 3 is rigid body frame structure, be provided with two carrying rollers 4, the axis direction of another carrying roller 5 is parallel to each other, and parallel with horizontal plane, a carrying roller of degreasing plant entrance frame is connected with last frame of tandem mills, and another carrying roller of degreasing plant entrance frame is connected with described degreasing plant; Be each passed through degreasing plant with steel 6 both to be connected with the connection roll bottom looping tower 7, be provided with multiple loop back roll 8 in described looping tower, last loop back roll is connected with annealing furnace forward pull control device 9 by band steel; Annealing furnace forward pull control device is made up of two forward pull rollers 10, and two forward pull rollers are in differing heights and front and back position relative to ground, and band steel, successively through two forward pull rollers, is " S " type; The forward pull roller being positioned at position is rearward connected with annealing furnace 11, described annealing furnace is divided into preheating section, bringing-up section, soaking zone, be provided with lehr roller 12 at top and bottom in annealing furnace, band steel can pass lehr roller successively, and is coated on outside each lehr roller; Annealing furnace backward pull control device 13 is identical with annealing furnace forward pull control device structure, be made up of two backward pull rollers 14, the backward pull roller being positioned at forward position is connected with annealing furnace, with steel successively through the roll of the backward pull roller and described Precise asymptotics 15 that are arranged in position rearward, and both are connected; Be connected with the shear tension roller sheared in forward pull control device pass the roll in Precise asymptotics with steel after, described shearing forward pull control device is made up of four shear tension rollers 16, the axis of four shear tension rollers is parallel to each other, line composition " inverted trapezoidal " structure of four axis end points, band steel is successively through four shear tension rollers, and be connected with the shearing rollgang 17 at rear, shearing rollgang length is 5m, and the top of shearing rollgang is provided with cutter 18; Be provided with at shearing rollgang end 0.5m place and shear electromagnetic mechanical hand 19, shear electromagnetic and mechanical hand rear portion, distance is sheared electromagnetic and mechanical hand 0.5m place and is provided with heated transportation roller-way 20, heated transportation roller-way is positioned at same level height with shearing rollgang, the length of heated transportation roller-way is 10m, and heated transportation roller way middle part is provided with heating furnace 21, and heated transportation roller-way end is provided with stamping machine 22, stamping machine rear portion, distance stamping machine 0.5m place is provided with punching press rollgang 23; Punching press rollgang and heated transportation roller-way, shear rollgang and be positioned at same level height, the length of punching press rollgang is 5m; Punching press rollgang end, distance punching press rollgang end 0.5m place is provided with punching press electromagnetic mechanical hand 24, and described punching press electromagnetic mechanical hand end is provided with collecting box 25; Described collecting box is the square box of upper shed, and stamping products falls to collecting box inside in process of production.
Further, described mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
Further, described preheating section, bringing-up section, soaking zone internal placement have heat radiation tube.
Further, described preheating section, bringing-up section, soaking zone are inner by hydrogen and nitrogen composition protective gas.
Further, be provided with velocity sensor between described cutter and stamping machine, described stamping machine inside is provided with water cooling mold.
Further, described shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are made up of rotary type hydraulic platform and magnechuck, and described magnechuck is positioned at arm end.
Embodiment 2
A kind of cold rolling super-high strength steel short route production and processing technology, concrete steps are as follows:
(1) supplied materials hot-strip is after operation process before the rollings such as overpickling, carries out cold rolling, and described cold rolling is fully continuous type cold rolling or reversible cold-rolling rolling;
(2), after being rolled down to and requiring size, heat-treat and deformation and fades change integrated treatment, the heat treatment in this step comprises three phases, is respectively preheating section, bringing-up section, soaking zone; Band steel is heated to 200 DEG C from room temperature by preheating section; Bringing-up section continues band steel to be heated to more than 950 DEG C of temperature; Soaking zone will be with steel to maintain bringing-up section temperature, and be incubated 5min; Namely described deformation and fades change integrated treatment refers to that band steel is in heat treatment process, carries out tension force to band steel and controls at 5.0kg/mm
2, make band steel under deformation and fades change comprehensive function, improve structure property and comprehensive mechanical property further;
(3) be with steel after heat treatment and deformation and fades change integrated treatment, enter kink, the change of mill speed and drawing velocity is adapted to by adjustment kink amount, mill speed is 50m/s, drawing velocity 100mm/s, punching press quenching technical can be entered after shearing scale, according to the requirement of punching press quenching technical, determine cooling system; It is exactly velocity sensor that described punching press quenching technical front end is provided with, and ensures that the speed of service of band steel and drawing velocity match; Described punching press quenching adopts punching press quenching mould internal water cooling technique;
(4), after punching press completes, super-high strength steel, after finishing, just obtains stamping parts finished product or semi-finished product.
For realizing above-mentioned cold rolling super-high strength steel short route production and processing technology, one of the present invention cold rolling super-high strength steel short route manufacturing and processing equipment mainly comprises tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace forward pull control device, annealing furnace, annealing furnace backward pull control device, Precise asymptotics, shearing forward pull control device, shears rollgang, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, stamping machine, punching press rollgang and collecting box.
Wherein, tandem mills is prior art, and manufacturer is Beijing Yang Wang profit new science and technology Co., Ltd, model YW-WLZ1450; Degreasing plant is prior art, U.S. steel connection continuous annealing production line degreasing process; Looping tower is prior art, manufacturer be the real metallurgical equipment Manufacturing Co., Ltd in Wuhan ten thousand connect move back line vertical loop tower; Annealing furnace is prior art, and manufacturer is the vertical continuous annealing furnace of French Si Tanyin stove company; Precise asymptotics is prior art, and manufacturer is the triumphant 650 reversible four roller finishing machines along metallurgical machinery Manufacturing Co., Ltd in Wuxi; Cutter is prior art, and manufacturer is the rich FWFJ-QZD-1600 flying shearing machine for automated machine equipment Co., Ltd in Foshan City; Shearing electromagnetic mechanical hand is prior art, and manufacturer is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou; Heating furnace is prior art, and manufacturer is the stepped billet heating furnace of Nianda Furnace Science and Technology Co., Ltd., Nanjing; Stamping machine is prior art, and manufacturer is the J23 series open-type inclinable press of JIER Machine-Tool Group Co., Ltd.; Punching press electromagnetic mechanical hand is prior art, and manufacturer is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou.
Described above-mentioned each part is that a line is arranged at workshop, long 100m completely; Tandem mills 1 is five frame tandem rollings, and each frame 2 interval 3m arranges; Degreasing plant entrance frame 3 is rigid body frame structure, be provided with two carrying rollers 4, the axis direction of another carrying roller 5 is parallel to each other, and parallel with horizontal plane, a carrying roller of degreasing plant entrance frame is connected with last frame of tandem mills, and another carrying roller of degreasing plant entrance frame is connected with described degreasing plant; Be each passed through degreasing plant with steel 6 both to be connected with the connection roll bottom looping tower 7, be provided with multiple loop back roll 8 in described looping tower, last loop back roll is connected with annealing furnace forward pull control device 9 by band steel; Annealing furnace forward pull control device is made up of two forward pull rollers 10, and two forward pull rollers are in differing heights and front and back position relative to ground, and band steel, successively through two forward pull rollers, is " S " type; The forward pull roller being positioned at position is rearward connected with annealing furnace 11, described annealing furnace is divided into preheating section, bringing-up section, soaking zone, be provided with lehr roller 12 at top and bottom in annealing furnace, band steel can pass lehr roller successively, and is coated on outside each lehr roller; Annealing furnace backward pull control device 13 is identical with annealing furnace forward pull control device structure, be made up of two backward pull rollers 14, the backward pull roller being positioned at forward position is connected with annealing furnace, with steel successively through the roll of the backward pull roller and described Precise asymptotics 15 that are arranged in position rearward, and both are connected; Be connected with the shear tension roller sheared in forward pull control device pass the roll in Precise asymptotics with steel after, described shearing forward pull control device is made up of four shear tension rollers 16, the axis of four shear tension rollers is parallel to each other, line composition " inverted trapezoidal " structure of four axis end points, band steel is successively through four shear tension rollers, and be connected with the shearing rollgang 17 at rear, shearing rollgang length is 10m, and the top of shearing rollgang is provided with cutter 18; Be provided with at shearing rollgang end 1.0m place and shear electromagnetic mechanical hand 19, shear electromagnetic and mechanical hand rear portion, distance is sheared electromagnetic and mechanical hand 1.0m place and is provided with heated transportation roller-way 20, heated transportation roller-way is positioned at same level height with shearing rollgang, the length of heated transportation roller-way is 15m, and heated transportation roller way middle part is provided with heating furnace 21, and heated transportation roller-way end is provided with stamping machine 22, stamping machine rear portion, distance stamping machine 1.0m place is provided with punching press rollgang 23; Punching press rollgang and heated transportation roller-way, shear rollgang and be positioned at same level height, the length of punching press rollgang is 10m; Punching press rollgang end, distance punching press rollgang end 1.0m place is provided with punching press electromagnetic mechanical hand 24, and described punching press electromagnetic mechanical hand end is provided with collecting box 25; Described collecting box is the square box of upper shed, and stamping products falls to collecting box inside in process of production.
Further, described mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
Further, described preheating section, bringing-up section, soaking zone internal placement have heat radiation tube.
Further, described preheating section, bringing-up section, soaking zone are inner by hydrogen and nitrogen composition protective gas.
Further, be provided with velocity sensor between described cutter and stamping machine, described stamping machine inside is provided with water cooling mold.
Further, described shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are made up of rotary type hydraulic platform and magnechuck, and described magnechuck is positioned at arm end.
Claims (7)
1. a cold rolling super-high strength steel short route production and processing technology, it is characterized in that: following (1) the supplied materials hot-strip of concrete steps is after operation process before the rollings such as overpickling, carry out cold rolling, described cold rolling is fully continuous type cold rolling or reversible cold-rolling rolling; (2), after being rolled down to and requiring size, heat-treat and deformation and fades change integrated treatment, the heat treatment in this step comprises three phases, is respectively preheating section, bringing-up section, soaking zone; Band steel is heated to 150 DEG C ~ 200 DEG C from room temperature by preheating section; Bringing-up section continues band steel to be heated to more than 700 DEG C ~ 950 DEG C temperature; Soaking zone will be with steel to maintain bringing-up section temperature, and be incubated 3min ~ 5min; Namely described deformation and fades change integrated treatment refers to that band steel is in heat treatment process, carries out tension force to band steel and controls at 3.0kg/mm
2~ 5.0kg/mm
2, make band steel under deformation and fades change comprehensive function, improve structure property and comprehensive mechanical property further; (3) be with steel after heat treatment and deformation and fades change integrated treatment, enter kink, the change of mill speed and drawing velocity is adapted to by adjustment kink amount, mill speed is 30m/s ~ 50m/s, drawing velocity 100mm/s, punching press quenching technical can be entered after shearing scale, according to the requirement of punching press quenching technical, determine cooling system; It is exactly velocity sensor that described punching press quenching technical front end is provided with, and ensures that the speed of service of band steel and drawing velocity match; Described punching press quenching adopts punching press quenching mould internal water cooling technique; (4), after punching press completes, super-high strength steel, after finishing, just obtains stamping parts finished product or semi-finished product.
2. one kind adopts the equipment of a kind of cold rolling super-high strength steel short route production and processing technology according to claim 1, i.e. a kind of cold rolling super-high strength steel short route manufacturing and processing equipment, mainly comprise and mainly comprise tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace forward pull control device, annealing furnace, annealing furnace backward pull control device, Precise asymptotics, shear forward pull control device, shear rollgang, cutter, shear electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, stamping machine, punching press rollgang and collecting box, it is characterized in that: described above-mentioned each part is that a line is arranged at workshop, long 50m ~ 100m completely, tandem mills is five frame tandem rollings, and each bay interval 2m ~ 3m arranges, degreasing plant entrance frame is rigid body frame structure, be provided with two carrying rollers, the axis direction of another carrying roller is parallel to each other, and parallel with horizontal plane, a carrying roller of degreasing plant entrance frame is connected with last frame of tandem mills, and another carrying roller of degreasing plant entrance frame is connected with described degreasing plant, be each passed through degreasing plant with steel both to be connected with the connection roll bottom looping tower, be provided with multiple loop back roll in described looping tower, last loop back roll is connected with annealing furnace forward pull control device by band steel, annealing furnace forward pull control device is made up of two forward pull rollers, and two forward pull rollers are in differing heights and front and back position relative to ground, and band steel, successively through two forward pull rollers, is " S " type, the forward pull roller being positioned at position is rearward connected with annealing furnace, described annealing furnace is divided into preheating section, bringing-up section, soaking zone, be provided with lehr roller at top and bottom in annealing furnace, band steel can pass lehr roller successively, and is coated on outside each lehr roller, annealing furnace backward pull control device is identical with annealing furnace forward pull control device structure, be made up of two backward pull rollers, the backward pull roller being positioned at forward position is connected with annealing furnace, with steel successively through the roll of the backward pull roller and described Precise asymptotics that are arranged in position rearward, and both are connected, be connected with the shear tension roller sheared in forward pull control device pass the roll in Precise asymptotics with steel after, described shearing forward pull control device is made up of four shear tension rollers, the axis of four shear tension rollers is parallel to each other, line composition " inverted trapezoidal " structure of four axis end points, band steel is successively through four shear tension rollers, and be connected with the shearing rollgang at rear, shearing rollgang length is 5m ~ 10m, and the top of shearing rollgang is provided with cutter, be provided with at shearing rollgang end 0.5m ~ 1.0m place and shear electromagnetic mechanical hand, shear electromagnetic and mechanical hand rear portion, distance is sheared electromagnetic and mechanical hand 0.5m ~ 1.0m place and is provided with heated transportation roller-way, heated transportation roller-way is positioned at same level height with shearing rollgang, the length of heated transportation roller-way is 10m ~ 15m, heated transportation roller way middle part is provided with heating furnace, heated transportation roller-way end is provided with stamping machine, stamping machine rear portion, distance stamping machine 0.5m ~ 1.0m place is provided with punching press rollgang, punching press rollgang and heated transportation roller-way, shear rollgang and be positioned at same level height, the length of punching press rollgang is 5m ~ 10m, punching press rollgang end, distance punching press rollgang end 0.5m ~ 1.0m place is provided with punching press electromagnetic mechanical hand, and described punching press electromagnetic mechanical hand end is provided with collecting box, described collecting box is the square box of upper shed, and stamping products falls to collecting box inside in process of production.
3. the equipment of a kind of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, is characterized in that: described mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
4. the equipment of a kind of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, is characterized in that: described preheating section, bringing-up section, soaking zone internal placement have heat radiation tube.
5. the equipment of a kind of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, is characterized in that: described preheating section, bringing-up section, soaking zone are inner by hydrogen and nitrogen composition protective gas.
6. the equipment of a kind of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterized in that: be provided with velocity sensor between described cutter and stamping machine, described stamping machine inside is provided with water cooling mold.
7. the equipment of a kind of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterized in that: described shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are made up of rotary type hydraulic platform and magnechuck, and described magnechuck is positioned at arm end.
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| CN111299357A (en) * | 2020-03-02 | 2020-06-19 | 翟述基 | Comprehensive quenching and shaping system for high-strength steel section hot forming |
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| CN105414177B (en) | 2018-07-13 |
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